//language toggle url
var lang_url;
function langURL()
{
	lang_url = document.fname.iname.value;
}
//printer friendly url
var pf_url;
function pfURL()
{
	pf_url = document.fname.iname2.value;
}

// SCALABLE FONTS:START

var modified_title;

function setActiveStyleSheet(title) {
	var i, a, main;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
			a.disabled = true;
			if (a.getAttribute("title") == title)
				a.disabled = false;
		}
	}
}

function getActiveStyleSheet() {
	var i, a;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled)
			return a.getAttribute("title");
	}
	return null;
}

function getPreferredStyleSheet() {
	var i, a;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("rel").indexOf("style") != -1
			&& a.getAttribute("rel").indexOf("alt") == -1
			&& a.getAttribute("title"))
			return a.getAttribute("title");
	}
	return null;
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ')
			c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0)
			return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function increaseFontSize() {
	var title = getActiveStyleSheet();
	if (title == "AGF_Small_Text")
		setActiveStyleSheet("AGF_Large_Text");
	else if (title == "AGF_Large_Text")
		setActiveStyleSheet("AGF_Larger_Text");
	else if (title == "AGF_Larger_Text")
		setActiveStyleSheet("AGF_Larger_Text");
}

function decreaseFontSize() {
	var title = getActiveStyleSheet();
	if (title == "AGF_Small_Text")
		setActiveStyleSheet("AGF_Small_Text");
	else if (title == "AGF_Large_Text")
		setActiveStyleSheet("AGF_Small_Text");
	else if (title == "AGF_Larger_Text")
		setActiveStyleSheet("AGF_Large_Text");
}

window.onload = function(e) {
	var cookie = readCookie("agfstyle");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
}

window.onunload = function(e) {
	var title = getActiveStyleSheet();
	createCookie("agfstyle", title, 14);
}

window.onbeforeprint=function() {
var i, a;
for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("rel") == "alternate stylesheet" && a.getAttribute("title") && !a.disabled) {
			a.setAttribute("rel", "stylesheet");
			modified_title = a.getAttribute("title");
		}
	}
}

window.onafterprint=function() {
	var i, a;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("rel").indexOf("stylesheet") == 0 && a.getAttribute("title") == modified_title && !a.disabled) {
			a.setAttribute("rel", "alternate stylesheet");
			setActiveStyleSheet(modified_title);
			modified_title = "";
		}
	}
}

var cookie = readCookie("agfstyle");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);